Not positive or neutral; bad; undesirable; unfavourable.
Of a number: less than zero.
Of a number: less than zero.
Of a test result: not positive, not detected.
Of electrical charge of an electron and related particles
Denying a proposition; negating a concept.
(often) Pessimistic; not tending to see the bright side of things.
Of or relating to a photographic image in which the colours of the original, and the relations of left and right, are reversed.
Metalloidal, nonmetallic; contrasted with positive or basic.
(New-Age, derogatory, jargon) Often preceded by emotion, energy, feeling, or thought: to be avoided, bad, difficult, disagreeable, painful, potentially damaging, unpleasant, unwanted.
Characterized by the presence of features which do not support a hypothesis.
(slang) HIV negative.
(slang) COVID-19 negative.
(excessive) No, not any, zero.

Refusal or withholding of assents; prohibition, veto
An unfavorable point or characteristic.
A right of veto.
An image in which dark areas represent light ones, and the converse.
A word that indicates negation.
A negative quantity.
A repetition performed with a weight in which the muscle begins at maximum contraction and is slowly extended; a movement performed using only the eccentric phase of muscle movement.
The negative plate of a voltaic or electrolytic cell.
A statement that something didn’t happen or doesn’t exist.

No; nay.